<?php
	/**
	 * PHPMailer - PHP email creation and transport class.
	 * PHP Version 5
	 * @package   PHPMailer
	 * @link      https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
	 * @author    Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
	 * @author    Jim Jagielski (jimjag) <jimjag@gmail.com>
	 * @author    Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
	 * @author    Brent R. Matzelle (original founder)
	 * @copyright 2012 - 2014 Marcus Bointon
	 * @copyright 2010 - 2012 Jim Jagielski
	 * @copyright 2004 - 2009 Andy Prevost
	 * @license   http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
	 * @note      This program is distributed in the hope that it will be useful - WITHOUT
	 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	 * FITNESS FOR A PARTICULAR PURPOSE.
	 */

	/**
	 * PHPMailer - PHP email creation and transport class.
	 * @package PHPMailer
	 * @author  Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
	 * @author  Jim Jagielski (jimjag) <jimjag@gmail.com>
	 * @author  Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
	 * @author  Brent R. Matzelle (original founder)
	 */
	class PHPMailer {
		/**
		 * The PHPMailer Version number.
		 * @type string
		 */
		public $Version = '5.2.8';

		/**
		 * Email priority.
		 * Options: 1 = High, 3 = Normal, 5 = low.
		 * @type integer
		 */
		public $Priority = 3;

		/**
		 * The character set of the message.
		 * @type string
		 */
		public $CharSet = 'utf-8';

		/**
		 * The MIME Content-type of the message.
		 * @type string
		 */
		public $ContentType = 'text/plain';

		/**
		 * The message encoding.
		 * Options: "8bit", "7bit", "binary", "base64", and "quoted-printable".
		 * @type string
		 */
		public $Encoding = '8bit';

		/**
		 * Holds the most recent mailer error message.
		 * @type string
		 */
		public $ErrorInfo = '';

		/**
		 * The From email address for the message.
		 * @type string
		 */
		public $From = 'root@localhost';

		/**
		 * The From name of the message.
		 * @type string
		 */
		public $FromName = 'Root User';

		/**
		 * The Sender email (Return-Path) of the message.
		 * If not empty, will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
		 * @type string
		 */
		public $Sender = '';

		/**
		 * The Return-Path of the message.
		 * If empty, it will be set to either From or Sender.
		 * @type string
		 * @deprecated Email senders should never set a return-path header;
		 * it's the receiver's job (RFC5321 section 4.4), so this no longer does anything.
		 * @link       https://tools.ietf.org/html/rfc5321#section-4.4 RFC5321 reference
		 */
		public $ReturnPath = '';

		/**
		 * The Subject of the message.
		 * @type string
		 */
		public $Subject = '';

		/**
		 * An HTML or plain text message body.
		 * If HTML then call isHTML(true).
		 * @type string
		 */
		public $Body = '';

		/**
		 * The plain-text message body.
		 * This body can be read by mail clients that do not have HTML email
		 * capability such as mutt & Eudora.
		 * Clients that can read HTML will view the normal Body.
		 * @type string
		 */
		public $AltBody = '';

		/**
		 * An iCal message part body.
		 * Only supported in simple alt or alt_inline message types
		 * To generate iCal events, use the bundled extras/EasyPeasyICS.php class or iCalcreator
		 * @link http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/
		 * @link http://kigkonsult.se/iCalcreator/
		 * @type string
		 */
		public $Ical = '';

		/**
		 * The complete compiled MIME message body.
		 * @access protected
		 * @type string
		 */
		protected $MIMEBody = '';

		/**
		 * The complete compiled MIME message headers.
		 * @type string
		 * @access protected
		 */
		protected $MIMEHeader = '';

		/**
		 * Extra headers that createHeader() doesn't fold in.
		 * @type string
		 * @access protected
		 */
		protected $mailHeader = '';

		/**
		 * Word-wrap the message body to this number of chars.
		 * @type integer
		 */
		public $WordWrap = 0;

		/**
		 * Which method to use to send mail.
		 * Options: "mail", "sendmail", or "smtp".
		 * @type string
		 */
		public $Mailer = 'mail';

		/**
		 * The path to the sendmail program.
		 * @type string
		 */
		public $Sendmail = '/usr/sbin/sendmail';

		/**
		 * Whether mail() uses a fully sendmail-compatible MTA.
		 * One which supports sendmail's "-oi -f" options.
		 * @type boolean
		 */
		public $UseSendmailOptions = true;

		/**
		 * Path to PHPMailer plugins.
		 * Useful if the SMTP class is not in the PHP include path.
		 * @type string
		 * @deprecated Should not be needed now there is an autoloader.
		 */
		public $PluginDir = '';

		/**
		 * The email address that a reading confirmation should be sent to.
		 * @type string
		 */
		public $ConfirmReadingTo = '';

		/**
		 * The hostname to use in Message-Id and Received headers
		 * and as default HELO string.
		 * If empty, the value returned
		 * by SERVER_NAME is used or 'localhost.localdomain'.
		 * @type string
		 */
		public $Hostname = '';

		/**
		 * An ID to be used in the Message-Id header.
		 * If empty, a unique id will be generated.
		 * @type string
		 */
		public $MessageID = '';

		/**
		 * The message Date to be used in the Date header.
		 * If empty, the current date will be added.
		 * @type string
		 */
		public $MessageDate = '';

		/**
		 * SMTP hosts.
		 * Either a single hostname or multiple semicolon-delimited hostnames.
		 * You can also specify a different port
		 * for each host by using this format: [hostname:port]
		 * (e.g. "smtp1.example.com:25;smtp2.example.com").
		 * You can also specify encryption type, for example:
		 * (e.g. "tls://smtp1.example.com:587;ssl://smtp2.example.com:465").
		 * Hosts will be tried in order.
		 * @type string
		 */
		public $Host = 'localhost';

		/**
		 * The default SMTP server port.
		 * @type integer
		 * @TODO Why is this needed when the SMTP class takes care of it?
		 */
		public $Port = 25;

		/**
		 * The SMTP HELO of the message.
		 * Default is $Hostname.
		 * @type string
		 * @see PHPMailer::$Hostname
		 */
		public $Helo = '';

		/**
		 * The secure connection prefix.
		 * Options: "", "ssl" or "tls"
		 * @type string
		 */
		public $SMTPSecure = '';

		/**
		 * Whether to use SMTP authentication.
		 * Uses the Username and Password properties.
		 * @type boolean
		 * @see PHPMailer::$Username
		 * @see PHPMailer::$Password
		 */
		public $SMTPAuth = false;

		/**
		 * SMTP username.
		 * @type string
		 */
		public $Username = '';

		/**
		 * SMTP password.
		 * @type string
		 */
		public $Password = '';

		/**
		 * SMTP auth type.
		 * Options are LOGIN (default), PLAIN, NTLM, CRAM-MD5
		 * @type string
		 */
		public $AuthType = '';

		/**
		 * SMTP realm.
		 * Used for NTLM auth
		 * @type string
		 */
		public $Realm = '';

		/**
		 * SMTP workstation.
		 * Used for NTLM auth
		 * @type string
		 */
		public $Workstation = '';

		/**
		 * The SMTP server timeout in seconds.
		 * @type integer
		 */
		public $Timeout = 10;

		/**
		 * SMTP class debug output mode.
		 * Debug output level.
		 * Options:
		 * * `0` No output
		 * * `1` Commands
		 * * `2` Data and commands
		 * * `3` As 2 plus connection status
		 * * `4` Low-level data output
		 * @type integer
		 * @see SMTP::$do_debug
		 */
		public $SMTPDebug = 0;

		/**
		 * How to handle debug output.
		 * Options:
		 * * `echo` Output plain-text as-is, appropriate for CLI
		 * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
		 * * `error_log` Output to error log as configured in php.ini
		 *
		 * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
		 * <code>
		 * $mail->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
		 * </code>
		 * @type string|callable
		 * @see SMTP::$Debugoutput
		 */
		public $Debugoutput = 'echo';

		/**
		 * Whether to keep SMTP connection open after each message.
		 * If this is set to true then to close the connection
		 * requires an explicit call to smtpClose().
		 * @type boolean
		 */
		public $SMTPKeepAlive = false;

		/**
		 * Whether to split multiple to addresses into multiple messages
		 * or send them all in one message.
		 * @type boolean
		 */
		public $SingleTo = false;

		/**
		 * Storage for addresses when SingleTo is enabled.
		 * @type array
		 * @TODO This should really not be public
		 */
		public $SingleToArray = array();

		/**
		 * Whether to generate VERP addresses on send.
		 * Only applicable when sending via SMTP.
		 * @link http://en.wikipedia.org/wiki/Variable_envelope_return_path
		 * @link http://www.postfix.org/VERP_README.html Postfix VERP info
		 * @type boolean
		 */
		public $do_verp = false;

		/**
		 * Whether to allow sending messages with an empty body.
		 * @type boolean
		 */
		public $AllowEmpty = false;

		/**
		 * The default line ending.
		 * @note The default remains "\n". We force CRLF where we know
		 *        it must be used via self::CRLF.
		 * @type string
		 */
		public $LE = "\n";

		/**
		 * DKIM selector.
		 * @type string
		 */
		public $DKIM_selector = '';

		/**
		 * DKIM Identity.
		 * Usually the email address used as the source of the email
		 * @type string
		 */
		public $DKIM_identity = '';

		/**
		 * DKIM passphrase.
		 * Used if your key is encrypted.
		 * @type string
		 */
		public $DKIM_passphrase = '';

		/**
		 * DKIM signing domain name.
		 * @example 'example.com'
		 * @type string
		 */
		public $DKIM_domain = '';

		/**
		 * DKIM private key file path.
		 * @type string
		 */
		public $DKIM_private = '';

		/**
		 * Callback Action function name.
		 *
		 * The function that handles the result of the send email action.
		 * It is called out by send() for each email sent.
		 *
		 * Value can be any php callable: http://www.php.net/is_callable
		 *
		 * Parameters:
		 *   boolean $result        result of the send action
		 *   string  $to            email address of the recipient
		 *   string  $cc            cc email addresses
		 *   string  $bcc           bcc email addresses
		 *   string  $subject       the subject
		 *   string  $body          the email body
		 *   string  $from          email address of sender
		 * @type string
		 */
		public $action_function = '';

		/**
		 * What to use in the X-Mailer header.
		 * Options: null for default, whitespace for none, or a string to use
		 * @type string
		 */
		public $XMailer = '';

		/**
		 * An instance of the SMTP sender class.
		 * @type PHPMailer_SMTP
		 * @access protected
		 */
		protected $smtp = null;

		/**
		 * The array of 'to' addresses.
		 * @type array
		 * @access protected
		 */
		protected $to = array();

		/**
		 * The array of 'cc' addresses.
		 * @type array
		 * @access protected
		 */
		protected $cc = array();

		/**
		 * The array of 'bcc' addresses.
		 * @type array
		 * @access protected
		 */
		protected $bcc = array();

		/**
		 * The array of reply-to names and addresses.
		 * @type array
		 * @access protected
		 */
		protected $ReplyTo = array();

		/**
		 * An array of all kinds of addresses.
		 * Includes all of $to, $cc, $bcc, $replyto
		 * @type array
		 * @access protected
		 */
		protected $all_recipients = array();

		/**
		 * The array of attachments.
		 * @type array
		 * @access protected
		 */
		protected $attachment = array();

		/**
		 * The array of custom headers.
		 * @type array
		 * @access protected
		 */
		protected $CustomHeader = array();

		/**
		 * The most recent Message-ID (including angular brackets).
		 * @type string
		 * @access protected
		 */
		protected $lastMessageID = '';

		/**
		 * The message's MIME type.
		 * @type string
		 * @access protected
		 */
		protected $message_type = '';

		/**
		 * The array of MIME boundary strings.
		 * @type array
		 * @access protected
		 */
		protected $boundary = array();

		/**
		 * The array of available languages.
		 * @type array
		 * @access protected
		 */
		protected $language = array();

		/**
		 * The number of errors encountered.
		 * @type integer
		 * @access protected
		 */
		protected $error_count = 0;

		/**
		 * The S/MIME certificate file path.
		 * @type string
		 * @access protected
		 */
		protected $sign_cert_file = '';

		/**
		 * The S/MIME key file path.
		 * @type string
		 * @access protected
		 */
		protected $sign_key_file = '';

		/**
		 * The S/MIME password for the key.
		 * Used only if the key is encrypted.
		 * @type string
		 * @access protected
		 */
		protected $sign_key_pass = '';

		/**
		 * Whether to throw exceptions for errors.
		 * @type boolean
		 * @access protected
		 */
		protected $exceptions = false;

		/**
		 * Error severity: message only, continue processing.
		 */
		const STOP_MESSAGE = 0;

		/**
		 * Error severity: message, likely ok to continue processing.
		 */
		const STOP_CONTINUE = 1;

		/**
		 * Error severity: message, plus full stop, critical error reached.
		 */
		const STOP_CRITICAL = 2;

		/**
		 * SMTP RFC standard line ending.
		 */
		const CRLF = "\r\n";

		/**
		 * Constructor.
		 *
		 * @param boolean $exceptions Should we throw external exceptions?
		 */
		public function __construct($exceptions = false) {
			$this->exceptions = ($exceptions == true);
		}

		/**
		 * Destructor.
		 */
		public function __destruct() {
			if ($this->Mailer == 'smtp') { //close any open SMTP connection nicely
				$this->smtpClose();
			}
		}

		/**
		 * Call mail() in a safe_mode-aware fashion.
		 * Also, unless sendmail_path points to sendmail (or something that
		 * claims to be sendmail), don't pass params (not a perfect fix,
		 * but it will do)
		 *
		 * @param string $to      To
		 * @param string $subject Subject
		 * @param string $body    Message Body
		 * @param string $header  Additional Header(s)
		 * @param string $params  Params
		 *
		 * @access private
		 * @return boolean
		 */
		private function mailPassthru($to, $subject, $body, $header, $params) {
			//Check overloading of mail function to avoid double-encoding
			if (ini_get('mbstring.func_overload') & 1) {
				$subject = $this->secureHeader($subject);
			} else {
				$subject = $this->encodeHeader($this->secureHeader($subject));
			}
			if (ini_get('safe_mode') || !($this->UseSendmailOptions)) {
				$result = @mail($to, $subject, $body, $header);
			} else {
				$result = @mail($to, $subject, $body, $header, $params);
			}

			return $result;
		}

		/**
		 * Output debugging info via user-defined method.
		 * Only generates output if SMTP debug output is enabled (@see SMTP::$do_debug).
		 * @see PHPMailer::$Debugoutput
		 * @see PHPMailer::$SMTPDebug
		 *
		 * @param string $str
		 */
		protected function edebug($str) {
			if ($this->SMTPDebug <= 0) {
				return;
			}
			if (is_callable($this->Debugoutput)) {
				call_user_func($this->Debugoutput, $str, $this->SMTPDebug);

				return;
			}
			switch ($this->Debugoutput) {
				case 'error_log':
					//Don't output, just log
					error_log($str);
					break;
				case 'html':
					//Cleans up output a bit for a better looking, HTML-safe output
					echo htmlentities(
							preg_replace('/[\r\n]+/', '', $str),
							ENT_QUOTES,
							'UTF-8'
						)
						. "<br>\n";
					break;
				case 'echo':
				default:
					//Normalize line breaks
					$str = preg_replace('/(\r\n|\r|\n)/ms', "\n", $str);
					echo gmdate('Y-m-d H:i:s') . "\t" . str_replace(
							"\n",
							"\n                   \t                  ",
							trim($str)
						) . "\n";
			}
		}

		/**
		 * Sets message type to HTML or plain.
		 *
		 * @param boolean $isHtml True for HTML mode.
		 *
		 * @return void
		 */
		public function isHTML($isHtml = true) {
			if ($isHtml) {
				$this->ContentType = 'text/html';
			} else {
				$this->ContentType = 'text/plain';
			}
		}

		/**
		 * Send messages using SMTP.
		 * @return void
		 */
		public function isSMTP() {
			$this->Mailer = 'smtp';
		}

		/**
		 * Send messages using PHP's mail() function.
		 * @return void
		 */
		public function isMail() {
			$this->Mailer = 'mail';
		}

		/**
		 * Send messages using $Sendmail.
		 * @return void
		 */
		public function isSendmail() {
			$ini_sendmail_path = ini_get('sendmail_path');

			if (!stristr($ini_sendmail_path, 'sendmail')) {
				$this->Sendmail = '/usr/sbin/sendmail';
			} else {
				$this->Sendmail = $ini_sendmail_path;
			}
			$this->Mailer = 'sendmail';
		}

		/**
		 * Send messages using qmail.
		 * @return void
		 */
		public function isQmail() {
			$ini_sendmail_path = ini_get('sendmail_path');

			if (!stristr($ini_sendmail_path, 'qmail')) {
				$this->Sendmail = '/var/qmail/bin/qmail-inject';
			} else {
				$this->Sendmail = $ini_sendmail_path;
			}
			$this->Mailer = 'qmail';
		}

		/**
		 * Add a "To" address.
		 *
		 * @param string $address
		 * @param string $name
		 *
		 * @return boolean true on success, false if address already used
		 */
		public function addAddress($address, $name = '') {
			return $this->addAnAddress('to', $address, $name);
		}

		/**
		 * Add a "CC" address.
		 * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
		 *
		 * @param string $address
		 * @param string $name
		 *
		 * @return boolean true on success, false if address already used
		 */
		public function addCC($address, $name = '') {
			return $this->addAnAddress('cc', $address, $name);
		}

		/**
		 * Add a "BCC" address.
		 * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
		 *
		 * @param string $address
		 * @param string $name
		 *
		 * @return boolean true on success, false if address already used
		 */
		public function addBCC($address, $name = '') {
			return $this->addAnAddress('bcc', $address, $name);
		}

		/**
		 * Add a "Reply-to" address.
		 *
		 * @param string $address
		 * @param string $name
		 *
		 * @return boolean
		 */
		public function addReplyTo($address, $name = '') {
			return $this->addAnAddress('Reply-To', $address, $name);
		}

		/**
		 * Add an address to one of the recipient arrays.
		 * Addresses that have been added already return false, but do not throw exceptions
		 *
		 * @param string $kind    One of 'to', 'cc', 'bcc', 'ReplyTo'
		 * @param string $address The email address to send to
		 * @param string $name
		 *
		 * @throws phpmailerException
		 * @return boolean true on success, false if address already used or invalid in some way
		 * @access protected
		 */
		protected function addAnAddress($kind, $address, $name = '') {
			if (!preg_match('/^(to|cc|bcc|Reply-To)$/', $kind)) {
				$this->setError($this->lang('Invalid recipient array') . ': ' . $kind);
				$this->edebug($this->lang('Invalid recipient array') . ': ' . $kind);
				if ($this->exceptions) {
					throw new phpmailerException('Invalid recipient array: ' . $kind);
				}

				return false;
			}
			$address = trim($address);
			$name    = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
			if (!$this->validateAddress($address)) {
				$this->setError($this->lang('invalid_address') . ': ' . $address);
				$this->edebug($this->lang('invalid_address') . ': ' . $address);
				if ($this->exceptions) {
					throw new phpmailerException($this->lang('invalid_address') . ': ' . $address);
				}

				return false;
			}
			if ($kind != 'Reply-To') {
				if (!isset($this->all_recipients[strtolower($address)])) {
					array_push($this->$kind, array($address, $name));
					$this->all_recipients[strtolower($address)] = true;

					return true;
				}
			} else {
				if (!array_key_exists(strtolower($address), $this->ReplyTo)) {
					$this->ReplyTo[strtolower($address)] = array($address, $name);

					return true;
				}
			}

			return false;
		}

		/**
		 * Set the From and FromName properties.
		 *
		 * @param string  $address
		 * @param string  $name
		 * @param boolean $auto Whether to also set the Sender address, defaults to true
		 *
		 * @throws phpmailerException
		 * @return boolean
		 */
		public function setFrom($address, $name = '', $auto = true) {
			$address = trim($address);
			$name    = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
			if (!$this->validateAddress($address)) {
				$this->setError($this->lang('invalid_address') . ': ' . $address);
				$this->edebug($this->lang('invalid_address') . ': ' . $address);
				if ($this->exceptions) {
					throw new phpmailerException($this->lang('invalid_address') . ': ' . $address);
				}

				return false;
			}
			$this->From     = $address;
			$this->FromName = $name;
			if ($auto) {
				if (empty($this->Sender)) {
					$this->Sender = $address;
				}
			}

			return true;
		}

		/**
		 * Return the Message-ID header of the last email.
		 * Technically this is the value from the last time the headers were created,
		 * but it's also the message ID of the last sent message except in
		 * pathological cases.
		 * @return string
		 */
		public function getLastMessageID() {
			return $this->lastMessageID;
		}

		/**
		 * Check that a string looks like an email address.
		 *
		 * @param string $address       The email address to check
		 * @param string $patternselect A selector for the validation pattern to use :
		 *                              * `auto` Pick strictest one automatically;
		 *                              * `pcre8` Use the squiloople.com pattern, requires PCRE > 8.0, PHP >= 5.3.2, 5.2.14;
		 *                              * `pcre` Use old PCRE implementation;
		 *                              * `php` Use PHP built-in FILTER_VALIDATE_EMAIL; same as pcre8 but does not allow 'dotless' domains;
		 *                              * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements.
		 *                              * `noregex` Don't use a regex: super fast, really dumb.
		 *
		 * @return boolean
		 * @static
		 * @access public
		 */
		public static function validateAddress($address, $patternselect = 'auto') {
			if (!$patternselect or $patternselect == 'auto') {
				//Check this constant first so it works when extension_loaded() is disabled by safe mode
				//Constant was added in PHP 5.2.4
				if (defined('PCRE_VERSION')) {
					//This pattern can get stuck in a recursive loop in PCRE <= 8.0.2
					if (version_compare(PCRE_VERSION, '8.0.3') >= 0) {
						$patternselect = 'pcre8';
					} else {
						$patternselect = 'pcre';
					}
				} elseif (function_exists('extension_loaded') and extension_loaded('pcre')) {
					//Fall back to older PCRE
					$patternselect = 'pcre';
				} else {
					//Filter_var appeared in PHP 5.2.0 and does not require the PCRE extension
					if (version_compare(PHP_VERSION, '5.2.0') >= 0) {
						$patternselect = 'php';
					} else {
						$patternselect = 'noregex';
					}
				}
			}
			switch ($patternselect) {
				case 'pcre8':
					/**
					 * Uses the same RFC5322 regex on which FILTER_VALIDATE_EMAIL is based, but allows dotless domains.
					 * @link      http://squiloople.com/2009/12/20/email-address-validation/
					 * @copyright 2009-2010 Michael Rushton
					 * Feel free to use and redistribute this code. But please keep this copyright notice.
					 */
					return (boolean)preg_match(
						'/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)' .
						'((?>(?>(?>((?>(?>(?>\x0D\x0A)?[\t ])+|(?>[\t ]*\x0D\x0A)?[\t ]+)?)(\((?>(?2)' .
						'(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)' .
						'([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*' .
						'(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)' .
						'(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}' .
						'|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:' .
						'|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
						'|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD',
						$address
					);
				case 'pcre':
					//An older regex that doesn't need a recent PCRE
					return (boolean)preg_match(
						'/^(?!(?>"?(?>\\\[ -~]|[^"])"?){255,})(?!(?>"?(?>\\\[ -~]|[^"])"?){65,}@)(?>' .
						'[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*")' .
						'(?>\.(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*"))*' .
						'@(?>(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>\.(?![a-z0-9-]{64,})' .
						'(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)){0,126}|\[(?:(?>IPv6:(?>(?>[a-f0-9]{1,4})(?>:' .
						'[a-f0-9]{1,4}){7}|(?!(?:.*[a-f0-9][:\]]){8,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?' .
						'::(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?))|(?>(?>IPv6:(?>[a-f0-9]{1,4}(?>:' .
						'[a-f0-9]{1,4}){5}:|(?!(?:.*[a-f0-9]:){6,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4})?' .
						'::(?>(?:[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4}):)?))?(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
						'|[1-9]?[0-9])(?>\.(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}))\])$/isD',
						$address
					);
				case 'html5':
					/**
					 * This is the pattern used in the HTML5 spec for validation of 'email' type form input elements.
					 * @link http://www.whatwg.org/specs/web-apps/current-work/#e-mail-state-(type=email)
					 */
					return (boolean)preg_match(
						'/^[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}' .
						'[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/sD',
						$address
					);
				case 'noregex':
					//No PCRE! Do something _very_ approximate!
					//Check the address is 3 chars or longer and contains an @ that's not the first or last char
					return (strlen($address) >= 3
						and strpos($address, '@') >= 1
						and strpos($address, '@') != strlen($address) - 1);
				case 'php':
				default:
					return (boolean)filter_var($address, FILTER_VALIDATE_EMAIL);
			}
		}

		/**
		 * Create a message and send it.
		 * Uses the sending method specified by $Mailer.
		 * @throws phpmailerException
		 * @return boolean false on error - See the ErrorInfo property for details of the error.
		 */
		public function send() {
			try {
				if (!$this->preSend()) {
					return false;
				}

				return $this->postSend();
			} catch (phpmailerException $exc) {
				$this->mailHeader = '';
				$this->setError($exc->getMessage());
				if ($this->exceptions) {
					throw $exc;
				}

				return false;
			}
		}

		/**
		 * Prepare a message for sending.
		 * @throws phpmailerException
		 * @return boolean
		 */
		public function preSend() {
			try {
				$this->mailHeader = '';
				if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) {
					throw new phpmailerException($this->lang('provide_address'), self::STOP_CRITICAL);
				}

				// Set whether the message is multipart/alternative
				if (!empty($this->AltBody)) {
					$this->ContentType = 'multipart/alternative';
				}

				$this->error_count = 0; // reset errors
				$this->setMessageType();
				// Refuse to send an empty message unless we are specifically allowing it
				if (!$this->AllowEmpty and empty($this->Body)) {
					throw new phpmailerException($this->lang('empty_message'), self::STOP_CRITICAL);
				}

				$this->MIMEHeader = $this->createHeader();
				$this->MIMEBody   = $this->createBody();

				// To capture the complete message when using mail(), create
				// an extra header list which createHeader() doesn't fold in
				if ($this->Mailer == 'mail') {
					if (count($this->to) > 0) {
						$this->mailHeader .= $this->addrAppend('To', $this->to);
					} else {
						$this->mailHeader .= $this->headerLine('To', 'undisclosed-recipients:;');
					}
					$this->mailHeader .= $this->headerLine(
						'Subject',
						$this->encodeHeader($this->secureHeader(trim($this->Subject)))
					);
				}

				// Sign with DKIM if enabled
				if (!empty($this->DKIM_domain)
					&& !empty($this->DKIM_private)
					&& !empty($this->DKIM_selector)
					&& !empty($this->DKIM_domain)
					&& file_exists($this->DKIM_private)
				) {
					$header_dkim      = $this->DKIM_Add(
						$this->MIMEHeader . $this->mailHeader,
						$this->encodeHeader($this->secureHeader($this->Subject)),
						$this->MIMEBody
					);
					$this->MIMEHeader = rtrim($this->MIMEHeader, "\r\n ") . self::CRLF .
						str_replace("\r\n", "\n", $header_dkim) . self::CRLF;
				}

				return true;

			} catch (phpmailerException $exc) {
				$this->setError($exc->getMessage());
				if ($this->exceptions) {
					throw $exc;
				}

				return false;
			}
		}

		/**
		 * Actually send a message.
		 * Send the email via the selected mechanism
		 * @throws phpmailerException
		 * @return boolean
		 */
		public function postSend() {
			try {
				// Choose the mailer and send through it
				switch ($this->Mailer) {
					case 'sendmail':
					case 'qmail':
						return $this->sendmailSend($this->MIMEHeader, $this->MIMEBody);
					case 'smtp':
						return $this->smtpSend($this->MIMEHeader, $this->MIMEBody);
					case 'mail':
						return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
					default:
						$sendMethod = $this->Mailer . 'Send';
						if (method_exists($this, $sendMethod)) {
							return $this->$sendMethod($this->MIMEHeader, $this->MIMEBody);
						}

						return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
				}
			} catch (phpmailerException $exc) {
				$this->setError($exc->getMessage());
				$this->edebug($exc->getMessage());
				if ($this->exceptions) {
					throw $exc;
				}
			}

			return false;
		}

		/**
		 * Send mail using the $Sendmail program.
		 *
		 * @param string $header The message headers
		 * @param string $body   The message body
		 *
		 * @see    PHPMailer::$Sendmail
		 * @throws phpmailerException
		 * @access protected
		 * @return boolean
		 */
		protected function sendmailSend($header, $body) {
			if ($this->Sender != '') {
				if ($this->Mailer == 'qmail') {
					$sendmail = sprintf('%s -f%s', escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));
				} else {
					$sendmail = sprintf('%s -oi -f%s -t', escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));
				}
			} else {
				if ($this->Mailer == 'qmail') {
					$sendmail = sprintf('%s', escapeshellcmd($this->Sendmail));
				} else {
					$sendmail = sprintf('%s -oi -t', escapeshellcmd($this->Sendmail));
				}
			}
			if ($this->SingleTo === true) {
				foreach ($this->SingleToArray as $toAddr) {
					if (!@$mail = popen($sendmail, 'w')) {
						throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
					}
					fputs($mail, 'To: ' . $toAddr . "\n");
					fputs($mail, $header);
					fputs($mail, $body);
					$result = pclose($mail);
					$this->doCallback(
						($result == 0),
						array($toAddr),
						$this->cc,
						$this->bcc,
						$this->Subject,
						$body,
						$this->From
					);
					if ($result != 0) {
						throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
					}
				}
			} else {
				if (!@$mail = popen($sendmail, 'w')) {
					throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
				}
				fputs($mail, $header);
				fputs($mail, $body);
				$result = pclose($mail);
				$this->doCallback(($result == 0), $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From);
				if ($result != 0) {
					throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
				}
			}

			return true;
		}

		/**
		 * Send mail using the PHP mail() function.
		 *
		 * @param string $header The message headers
		 * @param string $body   The message body
		 *
		 * @link   http://www.php.net/manual/en/book.mail.php
		 * @throws phpmailerException
		 * @access protected
		 * @return boolean
		 */
		protected function mailSend($header, $body) {
			$toArr = array();
			foreach ($this->to as $toaddr) {
				$toArr[] = $this->addrFormat($toaddr);
			}
			$to = implode(', ', $toArr);

			if (empty($this->Sender)) {
				$params = ' ';
			} else {
				$params = sprintf('-f%s', $this->Sender);
			}
			if ($this->Sender != '' and !ini_get('safe_mode')) {
				$old_from = ini_get('sendmail_from');
				ini_set('sendmail_from', $this->Sender);
			}
			$result = false;
			if ($this->SingleTo === true && count($toArr) > 1) {
				foreach ($toArr as $toAddr) {
					$result = $this->mailPassthru($toAddr, $this->Subject, $body, $header, $params);
					$this->doCallback($result, array($toAddr), $this->cc, $this->bcc, $this->Subject, $body, $this->From);
				}
			} else {
				$result = $this->mailPassthru($to, $this->Subject, $body, $header, $params);
				$this->doCallback($result, $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From);
			}
			if (isset($old_from)) {
				ini_set('sendmail_from', $old_from);
			}
			if (!$result) {
				throw new phpmailerException($this->lang('instantiate'), self::STOP_CRITICAL);
			}

			return true;
		}

		/**
		 * Get an instance to use for SMTP operations.
		 * Override this function to load your own SMTP implementation
		 * @return PHPMailer_SMTP
		 */
		public function getSMTPInstance() {
			if (!is_object($this->smtp)) {
				$this->smtp = new PHPMailer_SMTP;
			}

			return $this->smtp;
		}

		/**
		 * Send mail via SMTP.
		 * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
		 * Uses the PHPMailerSMTP class by default.
		 * @see    PHPMailer::getSMTPInstance() to use a different class.
		 *
		 * @param string $header The message headers
		 * @param string $body   The message body
		 *
		 * @throws phpmailerException
		 * @uses   SMTP
		 * @access protected
		 * @return boolean
		 */
		protected function smtpSend($header, $body) {
			$bad_rcpt = array();

			if (!$this->smtpConnect()) {
				throw new phpmailerException($this->lang('smtp_connect_failed'), self::STOP_CRITICAL);
			}
			$smtp_from = ($this->Sender == '') ? $this->From : $this->Sender;
			if (!$this->smtp->mail($smtp_from)) {
				$this->setError($this->lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError()));
				throw new phpmailerException($this->ErrorInfo, self::STOP_CRITICAL);
			}

			// Attempt to send to all recipients
			foreach ($this->to as $to) {
				if (!$this->smtp->recipient($to[0])) {
					$bad_rcpt[] = $to[0];
					$isSent     = false;
				} else {
					$isSent = true;
				}
				$this->doCallback($isSent, array($to[0]), array(), array(), $this->Subject, $body, $this->From);
			}
			foreach ($this->cc as $cc) {
				if (!$this->smtp->recipient($cc[0])) {
					$bad_rcpt[] = $cc[0];
					$isSent     = false;
				} else {
					$isSent = true;
				}
				$this->doCallback($isSent, array(), array($cc[0]), array(), $this->Subject, $body, $this->From);
			}
			foreach ($this->bcc as $bcc) {
				if (!$this->smtp->recipient($bcc[0])) {
					$bad_rcpt[] = $bcc[0];
					$isSent     = false;
				} else {
					$isSent = true;
				}
				$this->doCallback($isSent, array(), array(), array($bcc[0]), $this->Subject, $body, $this->From);
			}

			// Only send the DATA command if we have viable recipients
			if ((count($this->all_recipients) > count($bad_rcpt)) and !$this->smtp->data($header . $body)) {
				throw new phpmailerException($this->lang('data_not_accepted'), self::STOP_CRITICAL);
			}
			if ($this->SMTPKeepAlive == true) {
				$this->smtp->reset();
			} else {
				$this->smtp->quit();
				$this->smtp->close();
			}
			if (count($bad_rcpt) > 0) { // Create error message for any bad addresses
				throw new phpmailerException(
					$this->lang('recipients_failed') . implode(', ', $bad_rcpt),
					self::STOP_CONTINUE
				);
			}

			return true;
		}

		/**
		 * Initiate a connection to an SMTP server.
		 * Returns false if the operation failed.
		 *
		 * @param array $options An array of options compatible with stream_context_create()
		 *
		 * @uses   SMTP
		 * @access public
		 * @throws phpmailerException
		 * @return boolean
		 */
		public function smtpConnect($options = array()) {
			if (is_null($this->smtp)) {
				$this->smtp = $this->getSMTPInstance();
			}

			// Already connected?
			if ($this->smtp->connected()) {
				return true;
			}

			$this->smtp->setTimeout($this->Timeout);
			$this->smtp->setDebugLevel($this->SMTPDebug);
			$this->smtp->setDebugOutput($this->Debugoutput);
			$this->smtp->setVerp($this->do_verp);
			$hosts         = explode(';', $this->Host);
			$lastexception = null;

			foreach ($hosts as $hostentry) {
				$hostinfo = array();
				if (!preg_match('/^((ssl|tls):\/\/)*([a-zA-Z0-9\.-]*):?([0-9]*)$/', trim($hostentry), $hostinfo)) {
					// Not a valid host entry
					continue;
				}
				// $hostinfo[2]: optional ssl or tls prefix
				// $hostinfo[3]: the hostname
				// $hostinfo[4]: optional port number
				// The host string prefix can temporarily override the current setting for SMTPSecure
				// If it's not specified, the default value is used
				$prefix = '';
				$tls    = ($this->SMTPSecure == 'tls');
				if ($hostinfo[2] == 'ssl' or ($hostinfo[2] == '' and $this->SMTPSecure == 'ssl')) {
					$prefix = 'ssl://';
					$tls    = false; // Can't have SSL and TLS at once
				} elseif ($hostinfo[2] == 'tls') {
					$tls = true;
					// tls doesn't use a prefix
				}
				$host  = $hostinfo[3];
				$port  = $this->Port;
				$tport = (integer)$hostinfo[4];
				if ($tport > 0 and $tport < 65536) {
					$port = $tport;
				}
				if ($this->smtp->connect($prefix . $host, $port, $this->Timeout, $options)) {
					try {
						if ($this->Helo) {
							$hello = $this->Helo;
						} else {
							$hello = $this->serverHostname();
						}
						$this->smtp->hello($hello);

						if ($tls) {
							if (!$this->smtp->startTLS()) {
								throw new phpmailerException($this->lang('connect_host'));
							}
							// We must resend HELO after tls negotiation
							$this->smtp->hello($hello);
						}
						if ($this->SMTPAuth) {
							if (!$this->smtp->authenticate(
								$this->Username,
								$this->Password,
								$this->AuthType,
								$this->Realm,
								$this->Workstation
							)
							) {
								throw new phpmailerException($this->lang('authenticate'));
							}
						}

						return true;
					} catch (phpmailerException $exc) {
						$lastexception = $exc;
						// We must have connected, but then failed TLS or Auth, so close connection nicely
						$this->smtp->quit();
					}
				}
			}
			// If we get here, all connection attempts have failed, so close connection hard
			$this->smtp->close();
			// As we've caught all exceptions, just report whatever the last one was
			if ($this->exceptions and !is_null($lastexception)) {
				throw $lastexception;
			}

			return false;
		}

		/**
		 * Close the active SMTP session if one exists.
		 * @return void
		 */
		public function smtpClose() {
			if ($this->smtp !== null) {
				if ($this->smtp->connected()) {
					$this->smtp->quit();
					$this->smtp->close();
				}
			}
		}

		/**
		 * Set the language for error messages.
		 * Returns false if it cannot load the language file.
		 * The default language is English.
		 *
		 * @param string $langcode  ISO 639-1 2-character language code (e.g. French is "fr")
		 * @param string $lang_path Path to the language file directory, with trailing separator (slash)
		 *
		 * @return boolean
		 * @access public
		 */
		public function setLanguage($langcode = 'en', $lang_path = '') {
			// Define full set of translatable strings in English
			$PHPMAILER_LANG = array(
				'authenticate'         => 'SMTP Error: Could not authenticate.',
				'connect_host'         => 'SMTP Error: Could not connect to SMTP host.',
				'data_not_accepted'    => 'SMTP Error: data not accepted.',
				'empty_message'        => 'Message body empty',
				'encoding'             => 'Unknown encoding: ',
				'execute'              => 'Could not execute: ',
				'file_access'          => 'Could not access file: ',
				'file_open'            => 'File Error: Could not open file: ',
				'from_failed'          => 'The following From address failed: ',
				'instantiate'          => 'Could not instantiate mail function.',
				'invalid_address'      => 'Invalid address',
				'mailer_not_supported' => ' mailer is not supported.',
				'provide_address'      => 'You must provide at least one recipient email address.',
				'recipients_failed'    => 'SMTP Error: The following recipients failed: ',
				'signing'              => 'Signing Error: ',
				'smtp_connect_failed'  => 'SMTP connect() failed.',
				'smtp_error'           => 'SMTP server error: ',
				'variable_set'         => 'Cannot set or reset variable: '
			);
			if (empty($lang_path)) {
				// Calculate an absolute path so it can work if CWD is not here
				$lang_path = dirname(__FILE__) . DIRECTORY_SEPARATOR . 'language' . DIRECTORY_SEPARATOR;
			}
			$foundlang = true;
			$lang_file = $lang_path . 'phpmailer.lang-' . $langcode . '.php';
			if ($langcode != 'en') { // There is no English translation file
				// Make sure language file path is readable
				if (!is_readable($lang_file)) {
					$foundlang = false;
				} else {
					// Overwrite language-specific strings.
					// This way we'll never have missing translations.
					$foundlang = include $lang_file;
				}
			}
			$this->language = $PHPMAILER_LANG;

			return ($foundlang == true); // Returns false if language not found
		}

		/**
		 * Get the array of strings for the current language.
		 * @return array
		 */
		public function getTranslations() {
			return $this->language;
		}

		/**
		 * Create recipient headers.
		 * @access public
		 *
		 * @param string $type
		 * @param array  $addr An array of recipient,
		 *                     where each recipient is a 2-element indexed array with element 0 containing an address
		 *                     and element 1 containing a name, like:
		 *                     array(array('joe@example.com', 'Joe User'), array('zoe@example.com', 'Zoe User'))
		 *
		 * @return string
		 */
		public function addrAppend($type, $addr) {
			$addresses = array();
			foreach ($addr as $address) {
				$addresses[] = $this->addrFormat($address);
			}

			return $type . ': ' . implode(', ', $addresses) . $this->LE;
		}

		/**
		 * Format an address for use in a message header.
		 * @access public
		 *
		 * @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name
		 *                    like array('joe@example.com', 'Joe User')
		 *
		 * @return string
		 */
		public function addrFormat($addr) {
			if (empty($addr[1])) { // No name provided
				return $this->secureHeader($addr[0]);
			} else {
				return $this->encodeHeader($this->secureHeader($addr[1]), 'phrase') . ' <' . $this->secureHeader(
					$addr[0]
				) . '>';
			}
		}

		/**
		 * Word-wrap message.
		 * For use with mailers that do not automatically perform wrapping
		 * and for quoted-printable encoded messages.
		 * Original written by philippe.
		 *
		 * @param string  $message The message to wrap
		 * @param integer $length  The line length to wrap to
		 * @param boolean $qp_mode Whether to run in Quoted-Printable mode
		 *
		 * @access public
		 * @return string
		 */
		public function wrapText($message, $length, $qp_mode = false) {
			$soft_break = ($qp_mode) ? sprintf(' =%s', $this->LE) : $this->LE;
			// If utf-8 encoding is used, we will need to make sure we don't
			// split multibyte characters when we wrap
			$is_utf8 = (strtolower($this->CharSet) == 'utf-8');
			$lelen   = strlen($this->LE);
			$crlflen = strlen(self::CRLF);

			$message = $this->fixEOL($message);
			if (substr($message, -$lelen) == $this->LE) {
				$message = substr($message, 0, -$lelen);
			}

			$line    = explode($this->LE, $message); // Magic. We know fixEOL uses $LE
			$message = '';
			for ($i = 0; $i < count($line); $i++) {
				$line_part = explode(' ', $line[$i]);
				$buf       = '';
				for ($e = 0; $e < count($line_part); $e++) {
					$word = $line_part[$e];
					if ($qp_mode and (strlen($word) > $length)) {
						$space_left = $length - strlen($buf) - $crlflen;
						if ($e != 0) {
							if ($space_left > 20) {
								$len = $space_left;
								if ($is_utf8) {
									$len = $this->utf8CharBoundary($word, $len);
								} elseif (substr($word, $len - 1, 1) == '=') {
									$len--;
								} elseif (substr($word, $len - 2, 1) == '=') {
									$len -= 2;
								}
								$part = substr($word, 0, $len);
								$word = substr($word, $len);
								$buf .= ' ' . $part;
								$message .= $buf . sprintf('=%s', self::CRLF);
							} else {
								$message .= $buf . $soft_break;
							}
							$buf = '';
						}
						while (strlen($word) > 0) {
							if ($length <= 0) {
								break;
							}
							$len = $length;
							if ($is_utf8) {
								$len = $this->utf8CharBoundary($word, $len);
							} elseif (substr($word, $len - 1, 1) == '=') {
								$len--;
							} elseif (substr($word, $len - 2, 1) == '=') {
								$len -= 2;
							}
							$part = substr($word, 0, $len);
							$word = substr($word, $len);

							if (strlen($word) > 0) {
								$message .= $part . sprintf('=%s', self::CRLF);
							} else {
								$buf = $part;
							}
						}
					} else {
						$buf_o = $buf;
						$buf .= ($e == 0) ? $word : (' ' . $word);

						if (strlen($buf) > $length and $buf_o != '') {
							$message .= $buf_o . $soft_break;
							$buf = $word;
						}
					}
				}
				$message .= $buf . self::CRLF;
			}

			return $message;
		}

		/**
		 * Find the last character boundary prior to $maxLength in a utf-8
		 * quoted (printable) encoded string.
		 * Original written by Colin Brown.
		 * @access public
		 *
		 * @param string  $encodedText utf-8 QP text
		 * @param integer $maxLength   find last character boundary prior to this length
		 *
		 * @return integer
		 */
		public function utf8CharBoundary($encodedText, $maxLength) {
			$foundSplitPos = false;
			$lookBack      = 3;
			while (!$foundSplitPos) {
				$lastChunk      = substr($encodedText, $maxLength - $lookBack, $lookBack);
				$encodedCharPos = strpos($lastChunk, '=');
				if ($encodedCharPos !== false) {
					// Found start of encoded character byte within $lookBack block.
					// Check the encoded byte value (the 2 chars after the '=')
					$hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
					$dec = hexdec($hex);
					if ($dec < 128) { // Single byte character.
						// If the encoded char was found at pos 0, it will fit
						// otherwise reduce maxLength to start of the encoded char
						$maxLength     = ($encodedCharPos == 0) ? $maxLength :
							$maxLength - ($lookBack - $encodedCharPos);
						$foundSplitPos = true;
					} elseif ($dec >= 192) { // First byte of a multi byte character
						// Reduce maxLength to split at start of character
						$maxLength     = $maxLength - ($lookBack - $encodedCharPos);
						$foundSplitPos = true;
					} elseif ($dec < 192) { // Middle byte of a multi byte character, look further back
						$lookBack += 3;
					}
				} else {
					// No encoded character found
					$foundSplitPos = true;
				}
			}

			return $maxLength;
		}

		/**
		 * Set the body wrapping.
		 * @access public
		 * @return void
		 */
		public function setWordWrap() {
			if ($this->WordWrap < 1) {
				return;
			}

			switch ($this->message_type) {
				case 'alt':
				case 'alt_inline':
				case 'alt_attach':
				case 'alt_inline_attach':
					$this->AltBody = $this->wrapText($this->AltBody, $this->WordWrap);
					break;
				default:
					$this->Body = $this->wrapText($this->Body, $this->WordWrap);
					break;
			}
		}

		/**
		 * Assemble message headers.
		 * @access public
		 * @return string The assembled headers
		 */
		public function createHeader() {
			$result = '';

			// Set the boundaries
			$uniq_id           = md5(uniqid(time()));
			$this->boundary[1] = 'b1_' . $uniq_id;
			$this->boundary[2] = 'b2_' . $uniq_id;
			$this->boundary[3] = 'b3_' . $uniq_id;

			if ($this->MessageDate == '') {
				$this->MessageDate = self::rfcDate();
			}
			$result .= $this->headerLine('Date', $this->MessageDate);


			// To be created automatically by mail()
			if ($this->SingleTo === true) {
				if ($this->Mailer != 'mail') {
					foreach ($this->to as $toaddr) {
						$this->SingleToArray[] = $this->addrFormat($toaddr);
					}
				}
			} else {
				if (count($this->to) > 0) {
					if ($this->Mailer != 'mail') {
						$result .= $this->addrAppend('To', $this->to);
					}
				} elseif (count($this->cc) == 0) {
					$result .= $this->headerLine('To', 'undisclosed-recipients:;');
				}
			}

			$result .= $this->addrAppend('From', array(array(trim($this->From), $this->FromName)));

			// sendmail and mail() extract Cc from the header before sending
			if (count($this->cc) > 0) {
				$result .= $this->addrAppend('Cc', $this->cc);
			}

			// sendmail and mail() extract Bcc from the header before sending
			if ((
					$this->Mailer == 'sendmail' or $this->Mailer == 'qmail' or $this->Mailer == 'mail'
				)
				and count($this->bcc) > 0
			) {
				$result .= $this->addrAppend('Bcc', $this->bcc);
			}

			if (count($this->ReplyTo) > 0) {
				$result .= $this->addrAppend('Reply-To', $this->ReplyTo);
			}

			// mail() sets the subject itself
			if ($this->Mailer != 'mail') {
				$result .= $this->headerLine('Subject', $this->encodeHeader($this->secureHeader($this->Subject)));
			}

			if ($this->MessageID != '') {
				$this->lastMessageID = $this->MessageID;
			} else {
				$this->lastMessageID = sprintf('<%s@%s>', $uniq_id, $this->ServerHostname());
			}
			$result .= $this->HeaderLine('Message-ID', $this->lastMessageID);
			$result .= $this->headerLine('X-Priority', $this->Priority);
			if ($this->XMailer == '') {
				$result .= $this->headerLine(
					'X-Mailer',
					'PHPMailer ' . $this->Version . ' (https://github.com/PHPMailer/PHPMailer/)'
				);
			} else {
				$myXmailer = trim($this->XMailer);
				if ($myXmailer) {
					$result .= $this->headerLine('X-Mailer', $myXmailer);
				}
			}

			if ($this->ConfirmReadingTo != '') {
				$result .= $this->headerLine('Disposition-Notification-To', '<' . trim($this->ConfirmReadingTo) . '>');
			}

			// Add custom headers
			for ($index = 0; $index < count($this->CustomHeader); $index++) {
				$result .= $this->headerLine(
					trim($this->CustomHeader[$index][0]),
					$this->encodeHeader(trim($this->CustomHeader[$index][1]))
				);
			}
			if (!$this->sign_key_file) {
				$result .= $this->headerLine('MIME-Version', '1.0');
				$result .= $this->getMailMIME();
			}

			return $result;
		}

		/**
		 * Get the message MIME type headers.
		 * @access public
		 * @return string
		 */
		public function getMailMIME() {
			$result      = '';
			$ismultipart = true;
			switch ($this->message_type) {
				case 'inline':
					$result .= $this->headerLine('Content-Type', 'multipart/related;');
					$result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
					break;
				case 'attach':
				case 'inline_attach':
				case 'alt_attach':
				case 'alt_inline_attach':
					$result .= $this->headerLine('Content-Type', 'multipart/mixed;');
					$result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
					break;
				case 'alt':
				case 'alt_inline':
					$result .= $this->headerLine('Content-Type', 'multipart/alternative;');
					$result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
					break;
				default:
					// Catches case 'plain': and case '':
					$result .= $this->textLine('Content-Type: ' . $this->ContentType . '; charset=' . $this->CharSet);
					$ismultipart = false;
					break;
			}
			// RFC1341 part 5 says 7bit is assumed if not specified
			if ($this->Encoding != '7bit') {
				// RFC 2045 section 6.4 says multipart MIME parts may only use 7bit, 8bit or binary CTE
				if ($ismultipart) {
					if ($this->Encoding == '8bit') {
						$result .= $this->headerLine('Content-Transfer-Encoding', '8bit');
					}
					// The only remaining alternatives are quoted-printable and base64, which are both 7bit compatible
				} else {
					$result .= $this->headerLine('Content-Transfer-Encoding', $this->Encoding);
				}
			}

			if ($this->Mailer != 'mail') {
				$result .= $this->LE;
			}

			return $result;
		}

		/**
		 * Returns the whole MIME message.
		 * Includes complete headers and body.
		 * Only valid post preSend().
		 * @see    PHPMailer::preSend()
		 * @access public
		 * @return string
		 */
		public function getSentMIMEMessage() {
			return $this->MIMEHeader . $this->mailHeader . self::CRLF . $this->MIMEBody;
		}


		/**
		 * Assemble the message body.
		 * Returns an empty string on failure.
		 * @access public
		 * @throws phpmailerException
		 * @return string The assembled message body
		 */
		public function createBody() {
			$body = '';

			if ($this->sign_key_file) {
				$body .= $this->getMailMIME() . $this->LE;
			}

			$this->setWordWrap();

			$bodyEncoding = $this->Encoding;
			$bodyCharSet  = $this->CharSet;
			if ($bodyEncoding == '8bit' and !$this->has8bitChars($this->Body)) {
				$bodyEncoding = '7bit';
				$bodyCharSet  = 'us-ascii';
			}
			$altBodyEncoding = $this->Encoding;
			$altBodyCharSet  = $this->CharSet;
			if ($altBodyEncoding == '8bit' and !$this->has8bitChars($this->AltBody)) {
				$altBodyEncoding = '7bit';
				$altBodyCharSet  = 'us-ascii';
			}
			switch ($this->message_type) {
				case 'inline':
					$body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
					$body .= $this->encodeString($this->Body, $bodyEncoding);
					$body .= $this->LE . $this->LE;
					$body .= $this->attachAll('inline', $this->boundary[1]);
					break;
				case 'attach':
					$body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
					$body .= $this->encodeString($this->Body, $bodyEncoding);
					$body .= $this->LE . $this->LE;
					$body .= $this->attachAll('attachment', $this->boundary[1]);
					break;
				case 'inline_attach':
					$body .= $this->textLine('--' . $this->boundary[1]);
					$body .= $this->headerLine('Content-Type', 'multipart/related;');
					$body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
					$body .= $this->LE;
					$body .= $this->getBoundary($this->boundary[2], $bodyCharSet, '', $bodyEncoding);
					$body .= $this->encodeString($this->Body, $bodyEncoding);
					$body .= $this->LE . $this->LE;
					$body .= $this->attachAll('inline', $this->boundary[2]);
					$body .= $this->LE;
					$body .= $this->attachAll('attachment', $this->boundary[1]);
					break;
				case 'alt':
					$body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
					$body .= $this->encodeString($this->AltBody, $altBodyEncoding);
					$body .= $this->LE . $this->LE;
					$body .= $this->getBoundary($this->boundary[1], $bodyCharSet, 'text/html', $bodyEncoding);
					$body .= $this->encodeString($this->Body, $bodyEncoding);
					$body .= $this->LE . $this->LE;
					if (!empty($this->Ical)) {
						$body .= $this->getBoundary($this->boundary[1], '', 'text/calendar; method=REQUEST', '');
						$body .= $this->encodeString($this->Ical, $this->Encoding);
						$body .= $this->LE . $this->LE;
					}
					$body .= $this->endBoundary($this->boundary[1]);
					break;
				case 'alt_inline':
					$body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
					$body .= $this->encodeString($this->AltBody, $altBodyEncoding);
					$body .= $this->LE . $this->LE;
					$body .= $this->textLine('--' . $this->boundary[1]);
					$body .= $this->headerLine('Content-Type', 'multipart/related;');
					$body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
					$body .= $this->LE;
					$body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
					$body .= $this->encodeString($this->Body, $bodyEncoding);
					$body .= $this->LE . $this->LE;
					$body .= $this->attachAll('inline', $this->boundary[2]);
					$body .= $this->LE;
					$body .= $this->endBoundary($this->boundary[1]);
					break;
				case 'alt_attach':
					$body .= $this->textLine('--' . $this->boundary[1]);
					$body .= $this->headerLine('Content-Type', 'multipart/alternative;');
					$body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
					$body .= $this->LE;
					$body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
					$body .= $this->encodeString($this->AltBody, $altBodyEncoding);
					$body .= $this->LE . $this->LE;
					$body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
					$body .= $this->encodeString($this->Body, $bodyEncoding);
					$body .= $this->LE . $this->LE;
					$body .= $this->endBoundary($this->boundary[2]);
					$body .= $this->LE;
					$body .= $this->attachAll('attachment', $this->boundary[1]);
					break;
				case 'alt_inline_attach':
					$body .= $this->textLine('--' . $this->boundary[1]);
					$body .= $this->headerLine('Content-Type', 'multipart/alternative;');
					$body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
					$body .= $this->LE;
					$body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
					$body .= $this->encodeString($this->AltBody, $altBodyEncoding);
					$body .= $this->LE . $this->LE;
					$body .= $this->textLine('--' . $this->boundary[2]);
					$body .= $this->headerLine('Content-Type', 'multipart/related;');
					$body .= $this->textLine("\tboundary=\"" . $this->boundary[3] . '"');
					$body .= $this->LE;
					$body .= $this->getBoundary($this->boundary[3], $bodyCharSet, 'text/html', $bodyEncoding);
					$body .= $this->encodeString($this->Body, $bodyEncoding);
					$body .= $this->LE . $this->LE;
					$body .= $this->attachAll('inline', $this->boundary[3]);
					$body .= $this->LE;
					$body .= $this->endBoundary($this->boundary[2]);
					$body .= $this->LE;
					$body .= $this->attachAll('attachment', $this->boundary[1]);
					break;
				default:
					// catch case 'plain' and case ''
					$body .= $this->encodeString($this->Body, $bodyEncoding);
					break;
			}

			if ($this->isError()) {
				$body = '';
			} elseif ($this->sign_key_file) {
				try {
					if (!defined('PKCS7_TEXT')) {
						throw new phpmailerException($this->lang('signing') . ' OpenSSL extension missing.');
					}
					// @TODO would be nice to use php://temp streams here, but need to wrap for PHP < 5.1
					$file = tempnam(sys_get_temp_dir(), 'mail');
					file_put_contents($file, $body); // @TODO check this worked
					$signed = tempnam(sys_get_temp_dir(), 'signed');
					if (@openssl_pkcs7_sign(
						$file,
						$signed,
						'file://' . realpath($this->sign_cert_file),
						array('file://' . realpath($this->sign_key_file), $this->sign_key_pass),
						null
					)
					) {
						@unlink($file);
						$body = file_get_contents($signed);
						@unlink($signed);
					} else {
						@unlink($file);
						@unlink($signed);
						throw new phpmailerException($this->lang('signing') . openssl_error_string());
					}
				} catch (phpmailerException $exc) {
					$body = '';
					if ($this->exceptions) {
						throw $exc;
					}
				}
			}

			return $body;
		}

		/**
		 * Return the start of a message boundary.
		 * @access protected
		 *
		 * @param string $boundary
		 * @param string $charSet
		 * @param string $contentType
		 * @param string $encoding
		 *
		 * @return string
		 */
		protected function getBoundary($boundary, $charSet, $contentType, $encoding) {
			$result = '';
			if ($charSet == '') {
				$charSet = $this->CharSet;
			}
			if ($contentType == '') {
				$contentType = $this->ContentType;
			}
			if ($encoding == '') {
				$encoding = $this->Encoding;
			}
			$result .= $this->textLine('--' . $boundary);
			$result .= sprintf('Content-Type: %s; charset=%s', $contentType, $charSet);
			$result .= $this->LE;
			// RFC1341 part 5 says 7bit is assumed if not specified
			if ($encoding != '7bit') {
				$result .= $this->headerLine('Content-Transfer-Encoding', $encoding);
			}
			$result .= $this->LE;

			return $result;
		}

		/**
		 * Return the end of a message boundary.
		 * @access protected
		 *
		 * @param string $boundary
		 *
		 * @return string
		 */
		protected function endBoundary($boundary) {
			return $this->LE . '--' . $boundary . '--' . $this->LE;
		}

		/**
		 * Set the message type.
		 * PHPMailer only supports some preset message types,
		 * not arbitrary MIME structures.
		 * @access protected
		 * @return void
		 */
		protected function setMessageType() {
			$type = array();
			if ($this->alternativeExists()) {
				$type[] = 'alt';
			}
			if ($this->inlineImageExists()) {
				$type[] = 'inline';
			}
			if ($this->attachmentExists()) {
				$type[] = 'attach';
			}
			$this->message_type = implode('_', $type);
			if ($this->message_type == '') {
				$this->message_type = 'plain';
			}
		}

		/**
		 * Format a header line.
		 * @access public
		 *
		 * @param string $name
		 * @param string $value
		 *
		 * @return string
		 */
		public function headerLine($name, $value) {
			return $name . ': ' . $value . $this->LE;
		}

		/**
		 * Return a formatted mail line.
		 * @access public
		 *
		 * @param string $value
		 *
		 * @return string
		 */
		public function textLine($value) {
			return $value . $this->LE;
		}

		/**
		 * Add an attachment from a path on the filesystem.
		 * Returns false if the file could not be found or read.
		 *
		 * @param string $path        Path to the attachment.
		 * @param string $name        Overrides the attachment name.
		 * @param string $encoding    File encoding (see $Encoding).
		 * @param string $type        File extension (MIME) type.
		 * @param string $disposition Disposition to use
		 *
		 * @throws phpmailerException
		 * @return boolean
		 */
		public function addAttachment($path, $name = '', $encoding = 'base64', $type = '', $disposition = 'attachment') {
			try {
				if (!@is_file($path)) {
					throw new phpmailerException($this->lang('file_access') . $path, self::STOP_CONTINUE);
				}

				// If a MIME type is not specified, try to work it out from the file name
				if ($type == '') {
					$type = self::filenameToType($path);
				}

				$filename = basename($path);
				if ($name == '') {
					$name = $filename;
				}

				$this->attachment[] = array(
					0 => $path,
					1 => $filename,
					2 => $name,
					3 => $encoding,
					4 => $type,
					5 => false, // isStringAttachment
					6 => $disposition,
					7 => 0
				);

			} catch (phpmailerException $exc) {
				$this->setError($exc->getMessage());
				$this->edebug($exc->getMessage());
				if ($this->exceptions) {
					throw $exc;
				}

				return false;
			}

			return true;
		}

		/**
		 * Return the array of attachments.
		 * @return array
		 */
		public function getAttachments() {
			return $this->attachment;
		}

		/**
		 * Attach all file, string, and binary attachments to the message.
		 * Returns an empty string on failure.
		 * @access protected
		 *
		 * @param string $disposition_type
		 * @param string $boundary
		 *
		 * @return string
		 */
		protected function attachAll($disposition_type, $boundary) {
			// Return text of body
			$mime    = array();
			$cidUniq = array();
			$incl    = array();

			// Add all attachments
			foreach ($this->attachment as $attachment) {
				// Check if it is a valid disposition_filter
				if ($attachment[6] == $disposition_type) {
					// Check for string attachment
					$string  = '';
					$path    = '';
					$bString = $attachment[5];
					if ($bString) {
						$string = $attachment[0];
					} else {
						$path = $attachment[0];
					}

					$inclhash = md5(serialize($attachment));
					if (in_array($inclhash, $incl)) {
						continue;
					}
					$incl[]      = $inclhash;
					$name        = $attachment[2];
					$encoding    = $attachment[3];
					$type        = $attachment[4];
					$disposition = $attachment[6];
					$cid         = $attachment[7];
					if ($disposition == 'inline' && isset($cidUniq[$cid])) {
						continue;
					}
					$cidUniq[$cid] = true;

					$mime[] = sprintf('--%s%s', $boundary, $this->LE);
					$mime[] = sprintf(
						'Content-Type: %s; name="%s"%s',
						$type,
						$this->encodeHeader($this->secureHeader($name)),
						$this->LE
					);
					// RFC1341 part 5 says 7bit is assumed if not specified
					if ($encoding != '7bit') {
						$mime[] = sprintf('Content-Transfer-Encoding: %s%s', $encoding, $this->LE);
					}

					if ($disposition == 'inline') {
						$mime[] = sprintf('Content-ID: <%s>%s', $cid, $this->LE);
					}

					// If a filename contains any of these chars, it should be quoted,
					// but not otherwise: RFC2183 & RFC2045 5.1
					// Fixes a warning in IETF's msglint MIME checker
					// Allow for bypassing the Content-Disposition header totally
					if (!(empty($disposition))) {
						if (preg_match('/[ \(\)<>@,;:\\"\/\[\]\?=]/', $name)) {
							$mime[] = sprintf(
								'Content-Disposition: %s; filename="%s"%s',
								$disposition,
								$this->encodeHeader($this->secureHeader($name)),
								$this->LE . $this->LE
							);
						} else {
							$mime[] = sprintf(
								'Content-Disposition: %s; filename=%s%s',
								$disposition,
								$this->encodeHeader($this->secureHeader($name)),
								$this->LE . $this->LE
							);
						}
					} else {
						$mime[] = $this->LE;
					}

					// Encode as string attachment
					if ($bString) {
						$mime[] = $this->encodeString($string, $encoding);
						if ($this->isError()) {
							return '';
						}
						$mime[] = $this->LE . $this->LE;
					} else {
						$mime[] = $this->encodeFile($path, $encoding);
						if ($this->isError()) {
							return '';
						}
						$mime[] = $this->LE . $this->LE;
					}
				}
			}

			$mime[] = sprintf('--%s--%s', $boundary, $this->LE);

			return implode('', $mime);
		}

		/**
		 * Encode a file attachment in requested format.
		 * Returns an empty string on failure.
		 *
		 * @param string $path     The full path to the file
		 * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
		 *
		 * @throws phpmailerException
		 * @see    EncodeFile(encodeFile
		 * @access protected
		 * @return string
		 */
		protected function encodeFile($path, $encoding = 'base64') {
			try {
				if (!is_readable($path)) {
					throw new phpmailerException($this->lang('file_open') . $path, self::STOP_CONTINUE);
				}
				$magic_quotes = get_magic_quotes_runtime();
				if ($magic_quotes) {
					if (version_compare(PHP_VERSION, '5.3.0', '<')) {
						set_magic_quotes_runtime(false);
					} else {
						//Doesn't exist in PHP 5.4, but we don't need to check because
						//get_magic_quotes_runtime always returns false in 5.4+
						//so it will never get here
						ini_set('magic_quotes_runtime', 0);
					}
				}
				$file_buffer = file_get_contents($path);
				$file_buffer = $this->encodeString($file_buffer, $encoding);
				if ($magic_quotes) {
					if (version_compare(PHP_VERSION, '5.3.0', '<')) {
						set_magic_quotes_runtime($magic_quotes);
					} else {
						ini_set('magic_quotes_runtime', ($magic_quotes ? '1' : '0'));
					}
				}

				return $file_buffer;
			} catch (Exception $exc) {
				$this->setError($exc->getMessage());

				return '';
			}
		}

		/**
		 * Encode a string in requested format.
		 * Returns an empty string on failure.
		 *
		 * @param string $str      The text to encode
		 * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
		 *
		 * @access public
		 * @return string
		 */
		public function encodeString($str, $encoding = 'base64') {
			$encoded = '';
			switch (strtolower($encoding)) {
				case 'base64':
					$encoded = chunk_split(base64_encode($str), 76, $this->LE);
					break;
				case '7bit':
				case '8bit':
					$encoded = $this->fixEOL($str);
					// Make sure it ends with a line break
					if (substr($encoded, -(strlen($this->LE))) != $this->LE) {
						$encoded .= $this->LE;
					}
					break;
				case 'binary':
					$encoded = $str;
					break;
				case 'quoted-printable':
					$encoded = $this->encodeQP($str);
					break;
				default:
					$this->setError($this->lang('encoding') . $encoding);
					break;
			}

			return $encoded;
		}

		/**
		 * Encode a header string optimally.
		 * Picks shortest of Q, B, quoted-printable or none.
		 * @access public
		 *
		 * @param string $str
		 * @param string $position
		 *
		 * @return string
		 */
		public function encodeHeader($str, $position = 'text') {
			$matchcount = 0;
			switch (strtolower($position)) {
				case 'phrase':
					if (!preg_match('/[\200-\377]/', $str)) {
						// Can't use addslashes as we don't know the value of magic_quotes_sybase
						$encoded = addcslashes($str, "\0..\37\177\\\"");
						if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {
							return ($encoded);
						} else {
							return ("\"$encoded\"");
						}
					}
					$matchcount = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
					break;
				/** @noinspection PhpMissingBreakStatementInspection */
				case 'comment':
					$matchcount = preg_match_all('/[()"]/', $str, $matches);
				// Intentional fall-through
				case 'text':
				default:
					$matchcount += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
					break;
			}

			if ($matchcount == 0) { // There are no chars that need encoding
				return ($str);
			}

			$maxlen = 75 - 7 - strlen($this->CharSet);
			// Try to select the encoding which should produce the shortest output
			if ($matchcount > strlen($str) / 3) {
				// More than a third of the content will need encoding, so B encoding will be most efficient
				$encoding = 'B';
				if (function_exists('mb_strlen') && $this->hasMultiBytes($str)) {
					// Use a custom function which correctly encodes and wraps long
					// multibyte strings without breaking lines within a character
					$encoded = $this->base64EncodeWrapMB($str, "\n");
				} else {
					$encoded = base64_encode($str);
					$maxlen -= $maxlen % 4;
					$encoded = trim(chunk_split($encoded, $maxlen, "\n"));
				}
			} else {
				$encoding = 'Q';
				$encoded  = $this->encodeQ($str, $position);
				$encoded  = $this->wrapText($encoded, $maxlen, true);
				$encoded  = str_replace('=' . self::CRLF, "\n", trim($encoded));
			}

			$encoded = preg_replace('/^(.*)$/m', ' =?' . $this->CharSet . "?$encoding?\\1?=", $encoded);
			$encoded = trim(str_replace("\n", $this->LE, $encoded));

			return $encoded;
		}

		/**
		 * Check if a string contains multi-byte characters.
		 * @access public
		 *
		 * @param string $str multi-byte text to wrap encode
		 *
		 * @return boolean
		 */
		public function hasMultiBytes($str) {
			if (function_exists('mb_strlen')) {
				return (strlen($str) > mb_strlen($str, $this->CharSet));
			} else { // Assume no multibytes (we can't handle without mbstring functions anyway)
				return false;
			}
		}

		/**
		 * Does a string contain any 8-bit chars (in any charset)?
		 *
		 * @param string $text
		 *
		 * @return boolean
		 */
		public function has8bitChars($text) {
			return (boolean)preg_match('/[\x80-\xFF]/', $text);
		}

		/**
		 * Encode and wrap long multibyte strings for mail headers
		 * without breaking lines within a character.
		 * Adapted from a function by paravoid
		 * @link   http://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283
		 * @access public
		 *
		 * @param string $str       multi-byte text to wrap encode
		 * @param string $linebreak string to use as linefeed/end-of-line
		 *
		 * @return string
		 */
		public function base64EncodeWrapMB($str, $linebreak = null) {
			$start   = '=?' . $this->CharSet . '?B?';
			$end     = '?=';
			$encoded = '';
			if ($linebreak === null) {
				$linebreak = $this->LE;
			}

			$mb_length = mb_strlen($str, $this->CharSet);
			// Each line must have length <= 75, including $start and $end
			$length = 75 - strlen($start) - strlen($end);
			// Average multi-byte ratio
			$ratio = $mb_length / strlen($str);
			// Base64 has a 4:3 ratio
			$avgLength = floor($length * $ratio * .75);

			for ($i = 0; $i < $mb_length; $i += $offset) {
				$lookBack = 0;
				do {
					$offset = $avgLength - $lookBack;
					$chunk  = mb_substr($str, $i, $offset, $this->CharSet);
					$chunk  = base64_encode($chunk);
					$lookBack++;
				} while (strlen($chunk) > $length);
				$encoded .= $chunk . $linebreak;
			}

			// Chomp the last linefeed
			$encoded = substr($encoded, 0, -strlen($linebreak));

			return $encoded;
		}

		/**
		 * Encode a string in quoted-printable format.
		 * According to RFC2045 section 6.7.
		 * @access public
		 *
		 * @param string  $string   The text to encode
		 * @param integer $line_max Number of chars allowed on a line before wrapping
		 *
		 * @return string
		 * @link   http://www.php.net/manual/en/function.quoted-printable-decode.php#89417 Adapted from this comment
		 */
		public function encodeQP($string, $line_max = 76) {
			if (function_exists('quoted_printable_encode')) { // Use native function if it's available (>= PHP5.3)
				return $this->fixEOL(quoted_printable_encode($string));
			}
			// Fall back to a pure PHP implementation
			$string = str_replace(
				array('%20', '%0D%0A.', '%0D%0A', '%'),
				array(' ', "\r\n=2E", "\r\n", '='),
				rawurlencode($string)
			);
			$string = preg_replace('/[^\r\n]{' . ($line_max - 3) . '}[^=\r\n]{2}/', "$0=\r\n", $string);

			return $this->fixEOL($string);
		}

		/**
		 * Backward compatibility wrapper for an old QP encoding function that was removed.
		 * @see        PHPMailer::encodeQP()
		 * @access     public
		 *
		 * @param string  $string
		 * @param integer $line_max
		 * @param boolean $space_conv
		 *
		 * @return string
		 * @deprecated Use encodeQP instead.
		 */
		public function encodeQPphp(
			$string,
			$line_max = 76,
			/** @noinspection PhpUnusedParameterInspection */
			$space_conv = false
		) {
			return $this->encodeQP($string, $line_max);
		}

		/**
		 * Encode a string using Q encoding.
		 * @link   http://tools.ietf.org/html/rfc2047
		 *
		 * @param string $str      the text to encode
		 * @param string $position Where the text is going to be used, see the RFC for what that means
		 *
		 * @access public
		 * @return string
		 */
		public function encodeQ($str, $position = 'text') {
			// There should not be any EOL in the string
			$pattern = '';
			$encoded = str_replace(array("\r", "\n"), '', $str);
			switch (strtolower($position)) {
				case 'phrase':
					// RFC 2047 section 5.3
					$pattern = '^A-Za-z0-9!*+\/ -';
					break;
				/** @noinspection PhpMissingBreakStatementInspection */
				case 'comment':
					// RFC 2047 section 5.2
					$pattern = '\(\)"';
				// intentional fall-through
				// for this reason we build the $pattern without including delimiters and []
				case 'text':
				default:
					// RFC 2047 section 5.1
					// Replace every high ascii, control, =, ? and _ characters
					$pattern = '\000-\011\013\014\016-\037\075\077\137\177-\377' . $pattern;
					break;
			}
			$matches = array();
			if (preg_match_all("/[{$pattern}]/", $encoded, $matches)) {
				// If the string contains an '=', make sure it's the first thing we replace
				// so as to avoid double-encoding
				$eqkey = array_search('=', $matches[0]);
				if ($eqkey !== false) {
					unset($matches[0][$eqkey]);
					array_unshift($matches[0], '=');
				}
				foreach (array_unique($matches[0]) as $char) {
					$encoded = str_replace($char, '=' . sprintf('%02X', ord($char)), $encoded);
				}
			}

			// Replace every spaces to _ (more readable than =20)
			return str_replace(' ', '_', $encoded);
		}


		/**
		 * Add a string or binary attachment (non-filesystem).
		 * This method can be used to attach ascii or binary data,
		 * such as a BLOB record from a database.
		 *
		 * @param string $string      String attachment data.
		 * @param string $filename    Name of the attachment.
		 * @param string $encoding    File encoding (see $Encoding).
		 * @param string $type        File extension (MIME) type.
		 * @param string $disposition Disposition to use
		 *
		 * @return void
		 */
		public function addStringAttachment(
			$string,
			$filename,
			$encoding = 'base64',
			$type = '',
			$disposition = 'attachment'
		) {
			// If a MIME type is not specified, try to work it out from the file name
			if ($type == '') {
				$type = self::filenameToType($filename);
			}
			// Append to $attachment array
			$this->attachment[] = array(
				0 => $string,
				1 => $filename,
				2 => basename($filename),
				3 => $encoding,
				4 => $type,
				5 => true, // isStringAttachment
				6 => $disposition,
				7 => 0
			);
		}

		/**
		 * Add an embedded (inline) attachment from a file.
		 * This can include images, sounds, and just about any other document type.
		 * These differ from 'regular' attachmants in that they are intended to be
		 * displayed inline with the message, not just attached for download.
		 * This is used in HTML messages that embed the images
		 * the HTML refers to using the $cid value.
		 *
		 * @param string $path        Path to the attachment.
		 * @param string $cid         Content ID of the attachment; Use this to reference
		 *                            the content when using an embedded image in HTML.
		 * @param string $name        Overrides the attachment name.
		 * @param string $encoding    File encoding (see $Encoding).
		 * @param string $type        File MIME type.
		 * @param string $disposition Disposition to use
		 *
		 * @return boolean True on successfully adding an attachment
		 */
		public function addEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = '', $disposition = 'inline') {
			if (!@is_file($path)) {
				$this->setError($this->lang('file_access') . $path);

				return false;
			}

			// If a MIME type is not specified, try to work it out from the file name
			if ($type == '') {
				$type = self::filenameToType($path);
			}

			$filename = basename($path);
			if ($name == '') {
				$name = $filename;
			}

			// Append to $attachment array
			$this->attachment[] = array(
				0 => $path,
				1 => $filename,
				2 => $name,
				3 => $encoding,
				4 => $type,
				5 => false, // isStringAttachment
				6 => $disposition,
				7 => $cid
			);

			return true;
		}

		/**
		 * Add an embedded stringified attachment.
		 * This can include images, sounds, and just about any other document type.
		 * Be sure to set the $type to an image type for images:
		 * JPEG images use 'image/jpeg', GIF uses 'image/gif', PNG uses 'image/png'.
		 *
		 * @param string $string      The attachment binary data.
		 * @param string $cid         Content ID of the attachment; Use this to reference
		 *                            the content when using an embedded image in HTML.
		 * @param string $name
		 * @param string $encoding    File encoding (see $Encoding).
		 * @param string $type        MIME type.
		 * @param string $disposition Disposition to use
		 *
		 * @return boolean True on successfully adding an attachment
		 */
		public function addStringEmbeddedImage(
			$string,
			$cid,
			$name = '',
			$encoding = 'base64',
			$type = '',
			$disposition = 'inline'
		) {
			// If a MIME type is not specified, try to work it out from the name
			if ($type == '') {
				$type = self::filenameToType($name);
			}

			// Append to $attachment array
			$this->attachment[] = array(
				0 => $string,
				1 => $name,
				2 => $name,
				3 => $encoding,
				4 => $type,
				5 => true, // isStringAttachment
				6 => $disposition,
				7 => $cid
			);

			return true;
		}

		/**
		 * Check if an inline attachment is present.
		 * @access public
		 * @return boolean
		 */
		public function inlineImageExists() {
			foreach ($this->attachment as $attachment) {
				if ($attachment[6] == 'inline') {
					return true;
				}
			}

			return false;
		}

		/**
		 * Check if an attachment (non-inline) is present.
		 * @return boolean
		 */
		public function attachmentExists() {
			foreach ($this->attachment as $attachment) {
				if ($attachment[6] == 'attachment') {
					return true;
				}
			}

			return false;
		}

		/**
		 * Check if this message has an alternative body set.
		 * @return boolean
		 */
		public function alternativeExists() {
			return !empty($this->AltBody);
		}

		/**
		 * Clear all To recipients.
		 * @return void
		 */
		public function clearAddresses() {
			foreach ($this->to as $to) {
				unset($this->all_recipients[strtolower($to[0])]);
			}
			$this->to = array();
		}

		/**
		 * Clear all CC recipients.
		 * @return void
		 */
		public function clearCCs() {
			foreach ($this->cc as $cc) {
				unset($this->all_recipients[strtolower($cc[0])]);
			}
			$this->cc = array();
		}

		/**
		 * Clear all BCC recipients.
		 * @return void
		 */
		public function clearBCCs() {
			foreach ($this->bcc as $bcc) {
				unset($this->all_recipients[strtolower($bcc[0])]);
			}
			$this->bcc = array();
		}

		/**
		 * Clear all ReplyTo recipients.
		 * @return void
		 */
		public function clearReplyTos() {
			$this->ReplyTo = array();
		}

		/**
		 * Clear all recipient types.
		 * @return void
		 */
		public function clearAllRecipients() {
			$this->to             = array();
			$this->cc             = array();
			$this->bcc            = array();
			$this->all_recipients = array();
		}

		/**
		 * Clear all filesystem, string, and binary attachments.
		 * @return void
		 */
		public function clearAttachments() {
			$this->attachment = array();
		}

		/**
		 * Clear all custom headers.
		 * @return void
		 */
		public function clearCustomHeaders() {
			$this->CustomHeader = array();
		}

		/**
		 * Add an error message to the error container.
		 * @access protected
		 *
		 * @param string $msg
		 *
		 * @return void
		 */
		protected function setError($msg) {
			$this->error_count++;
			if ($this->Mailer == 'smtp' and !is_null($this->smtp)) {
				$lasterror = $this->smtp->getError();
				if (!empty($lasterror) and array_key_exists('smtp_msg', $lasterror)) {
					$msg .= '<p>' . $this->lang('smtp_error') . $lasterror['smtp_msg'] . "</p>\n";
				}
			}
			$this->ErrorInfo = $msg;
		}

		/**
		 * Return an RFC 822 formatted date.
		 * @access public
		 * @return string
		 * @static
		 */
		public static function rfcDate() {
			// Set the time zone to whatever the default is to avoid 500 errors
			// Will default to UTC if it's not set properly in php.ini
			date_default_timezone_set(@date_default_timezone_get());

			return date('D, j M Y H:i:s O');
		}

		/**
		 * Get the server hostname.
		 * Returns 'localhost.localdomain' if unknown.
		 * @access protected
		 * @return string
		 */
		protected function serverHostname() {
			$result = 'localhost.localdomain';
			if (!empty($this->Hostname)) {
				$result = $this->Hostname;
			} elseif (isset($_SERVER) and array_key_exists('SERVER_NAME', $_SERVER) and !empty($_SERVER['SERVER_NAME'])) {
				$result = $_SERVER['SERVER_NAME'];
			} elseif (function_exists('gethostname') && gethostname() !== false) {
				$result = gethostname();
			} elseif (php_uname('n') !== false) {
				$result = php_uname('n');
			}

			return $result;
		}

		/**
		 * Get an error message in the current language.
		 * @access protected
		 *
		 * @param string $key
		 *
		 * @return string
		 */
		protected function lang($key) {
			if (count($this->language) < 1) {
				$this->setLanguage('en'); // set the default language
			}

			if (isset($this->language[$key])) {
				return $this->language[$key];
			} else {
				return 'Language string failed to load: ' . $key;
			}
		}

		/**
		 * Check if an error occurred.
		 * @access public
		 * @return boolean True if an error did occur.
		 */
		public function isError() {
			return ($this->error_count > 0);
		}

		/**
		 * Ensure consistent line endings in a string.
		 * Changes every end of line from CRLF, CR or LF to $this->LE.
		 * @access public
		 *
		 * @param string $str String to fixEOL
		 *
		 * @return string
		 */
		public function fixEOL($str) {
			// Normalise to \n
			$nstr = str_replace(array("\r\n", "\r"), "\n", $str);
			// Now convert LE as needed
			if ($this->LE !== "\n") {
				$nstr = str_replace("\n", $this->LE, $nstr);
			}

			return $nstr;
		}

		/**
		 * Add a custom header.
		 * $name value can be overloaded to contain
		 * both header name and value (name:value)
		 * @access public
		 *
		 * @param string $name  Custom header name
		 * @param string $value Header value
		 *
		 * @return void
		 */
		public function addCustomHeader($name, $value = null) {
			if ($value === null) {
				// Value passed in as name:value
				$this->CustomHeader[] = explode(':', $name, 2);
			} else {
				$this->CustomHeader[] = array($name, $value);
			}
		}

		/**
		 * Create a message from an HTML string.
		 * Automatically makes modifications for inline images and backgrounds
		 * and creates a plain-text version by converting the HTML.
		 * Overwrites any existing values in $this->Body and $this->AltBody
		 * @access public
		 *
		 * @param string  $message  HTML message string
		 * @param string  $basedir  baseline directory for path
		 * @param boolean $advanced Whether to use the advanced HTML to text converter
		 *
		 * @return string $message
		 */
		public function msgHTML($message, $basedir = '', $advanced = false) {
			preg_match_all('/(src|background)=["\'](.*)["\']/Ui', $message, $images);
			if (isset($images[2])) {
				foreach ($images[2] as $imgindex => $url) {
					// Convert data URIs into embedded images
					if (preg_match('#^data:(image[^;,]*)(;base64)?,#', $url, $match)) {
						$data = substr($url, strpos($url, ','));
						if ($match[2]) {
							$data = base64_decode($data);
						} else {
							$data = rawurldecode($data);
						}
						$cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
						if ($this->addStringEmbeddedImage($data, $cid, '', 'base64', $match[1])) {
							$message = preg_replace(
								'/' . $images[1][$imgindex] . '=["\']' . preg_quote($url, '/') . '["\']/Ui',
								$images[1][$imgindex] . '="cid:' . $cid . '"',
								$message
							);
						}
					} elseif (!preg_match('#^[A-z]+://#', $url)) {
						// Do not change urls for absolute images (thanks to corvuscorax)
						$filename  = basename($url);
						$directory = dirname($url);
						if ($directory == '.') {
							$directory = '';
						}
						$cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
						if (strlen($basedir) > 1 && substr($basedir, -1) != '/') {
							$basedir .= '/';
						}
						if (strlen($directory) > 1 && substr($directory, -1) != '/') {
							$directory .= '/';
						}
						if ($this->addEmbeddedImage(
							$basedir . $directory . $filename,
							$cid,
							$filename,
							'base64',
							self::_mime_types(self::mb_pathinfo($filename, PATHINFO_EXTENSION))
						)
						) {
							$message = preg_replace(
								'/' . $images[1][$imgindex] . '=["\']' . preg_quote($url, '/') . '["\']/Ui',
								$images[1][$imgindex] . '="cid:' . $cid . '"',
								$message
							);
						}
					}
				}
			}
			$this->isHTML(true);
			// Convert all message body line breaks to CRLF, makes quoted-printable encoding work much better
			$this->Body    = $this->normalizeBreaks($message);
			$this->AltBody = $this->normalizeBreaks($this->html2text($message, $advanced));
			if (empty($this->AltBody)) {
				$this->AltBody = 'To view this email message, open it in a program that understands HTML!' .
					self::CRLF . self::CRLF;
			}

			return $this->Body;
		}

		/**
		 * Convert an HTML string into plain text.
		 *
		 * @param string  $html     The HTML text to convert
		 * @param boolean $advanced Should this use the more complex html2text converter or just a simple one?
		 *
		 * @return string
		 */
		public function html2text($html, $advanced = false) {
			if ($advanced) {
				$htmlconverter = new Html2Text($html);

				return $htmlconverter->get_text();
			}

			return html_entity_decode(
				trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/si', '', $html))),
				ENT_QUOTES,
				$this->CharSet
			);
		}

		/**
		 * Get the MIME type for a file extension.
		 *
		 * @param string $ext File extension
		 *
		 * @access public
		 * @return string MIME type of file.
		 * @static
		 */
		public static function _mime_types($ext = '') {
			$mimes = array(
				'xl'    => 'application/excel',
				'hqx'   => 'application/mac-binhex40',
				'cpt'   => 'application/mac-compactpro',
				'bin'   => 'application/macbinary',
				'doc'   => 'application/msword',
				'word'  => 'application/msword',
				'class' => 'application/octet-stream',
				'dll'   => 'application/octet-stream',
				'dms'   => 'application/octet-stream',
				'exe'   => 'application/octet-stream',
				'lha'   => 'application/octet-stream',
				'lzh'   => 'application/octet-stream',
				'psd'   => 'application/octet-stream',
				'sea'   => 'application/octet-stream',
				'so'    => 'application/octet-stream',
				'oda'   => 'application/oda',
				'pdf'   => 'application/pdf',
				'ai'    => 'application/postscript',
				'eps'   => 'application/postscript',
				'ps'    => 'application/postscript',
				'smi'   => 'application/smil',
				'smil'  => 'application/smil',
				'mif'   => 'application/vnd.mif',
				'xls'   => 'application/vnd.ms-excel',
				'ppt'   => 'application/vnd.ms-powerpoint',
				'wbxml' => 'application/vnd.wap.wbxml',
				'wmlc'  => 'application/vnd.wap.wmlc',
				'dcr'   => 'application/x-director',
				'dir'   => 'application/x-director',
				'dxr'   => 'application/x-director',
				'dvi'   => 'application/x-dvi',
				'gtar'  => 'application/x-gtar',
				'php3'  => 'application/x-httpd-php',
				'php4'  => 'application/x-httpd-php',
				'php'   => 'application/x-httpd-php',
				'phtml' => 'application/x-httpd-php',
				'phps'  => 'application/x-httpd-php-source',
				'js'    => 'application/x-javascript',
				'swf'   => 'application/x-shockwave-flash',
				'sit'   => 'application/x-stuffit',
				'tar'   => 'application/x-tar',
				'tgz'   => 'application/x-tar',
				'xht'   => 'application/xhtml+xml',
				'xhtml' => 'application/xhtml+xml',
				'zip'   => 'application/zip',
				'mid'   => 'audio/midi',
				'midi'  => 'audio/midi',
				'mp2'   => 'audio/mpeg',
				'mp3'   => 'audio/mpeg',
				'mpga'  => 'audio/mpeg',
				'aif'   => 'audio/x-aiff',
				'aifc'  => 'audio/x-aiff',
				'aiff'  => 'audio/x-aiff',
				'ram'   => 'audio/x-pn-realaudio',
				'rm'    => 'audio/x-pn-realaudio',
				'rpm'   => 'audio/x-pn-realaudio-plugin',
				'ra'    => 'audio/x-realaudio',
				'wav'   => 'audio/x-wav',
				'bmp'   => 'image/bmp',
				'gif'   => 'image/gif',
				'jpeg'  => 'image/jpeg',
				'jpe'   => 'image/jpeg',
				'jpg'   => 'image/jpeg',
				'png'   => 'image/png',
				'tiff'  => 'image/tiff',
				'tif'   => 'image/tiff',
				'eml'   => 'message/rfc822',
				'css'   => 'text/css',
				'html'  => 'text/html',
				'htm'   => 'text/html',
				'shtml' => 'text/html',
				'log'   => 'text/plain',
				'text'  => 'text/plain',
				'txt'   => 'text/plain',
				'rtx'   => 'text/richtext',
				'rtf'   => 'text/rtf',
				'vcf'   => 'text/vcard',
				'vcard' => 'text/vcard',
				'xml'   => 'text/xml',
				'xsl'   => 'text/xml',
				'mpeg'  => 'video/mpeg',
				'mpe'   => 'video/mpeg',
				'mpg'   => 'video/mpeg',
				'mov'   => 'video/quicktime',
				'qt'    => 'video/quicktime',
				'rv'    => 'video/vnd.rn-realvideo',
				'avi'   => 'video/x-msvideo',
				'movie' => 'video/x-sgi-movie'
			);

			return (array_key_exists(strtolower($ext), $mimes) ? $mimes[strtolower($ext)] : 'application/octet-stream');
		}

		/**
		 * Map a file name to a MIME type.
		 * Defaults to 'application/octet-stream', i.e.. arbitrary binary data.
		 *
		 * @param string $filename A file name or full path, does not need to exist as a file
		 *
		 * @return string
		 * @static
		 */
		public static function filenameToType($filename) {
			// In case the path is a URL, strip any query string before getting extension
			$qpos = strpos($filename, '?');
			if ($qpos !== false) {
				$filename = substr($filename, 0, $qpos);
			}
			$pathinfo = self::mb_pathinfo($filename);

			return self::_mime_types($pathinfo['extension']);
		}

		/**
		 * Multi-byte-safe pathinfo replacement.
		 * Drop-in replacement for pathinfo(), but multibyte-safe, cross-platform-safe, old-version-safe.
		 * Works similarly to the one in PHP >= 5.2.0
		 * @link http://www.php.net/manual/en/function.pathinfo.php#107461
		 *
		 * @param string         $path    A filename or path, does not need to exist as a file
		 * @param integer|string $options Either a PATHINFO_* constant,
		 *                                or a string name to return only the specified piece, allows 'filename' to work on PHP < 5.2
		 *
		 * @return string|array
		 * @static
		 */
		public static function mb_pathinfo($path, $options = null) {
			$ret      = array('dirname' => '', 'basename' => '', 'extension' => '', 'filename' => '');
			$pathinfo = array();
			if (preg_match('%^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^\.\\\\/]+?)|))[\\\\/\.]*$%im', $path, $pathinfo)) {
				if (array_key_exists(1, $pathinfo)) {
					$ret['dirname'] = $pathinfo[1];
				}
				if (array_key_exists(2, $pathinfo)) {
					$ret['basename'] = $pathinfo[2];
				}
				if (array_key_exists(5, $pathinfo)) {
					$ret['extension'] = $pathinfo[5];
				}
				if (array_key_exists(3, $pathinfo)) {
					$ret['filename'] = $pathinfo[3];
				}
			}
			switch ($options) {
				case PATHINFO_DIRNAME:
				case 'dirname':
					return $ret['dirname'];
				case PATHINFO_BASENAME:
				case 'basename':
					return $ret['basename'];
				case PATHINFO_EXTENSION:
				case 'extension':
					return $ret['extension'];
				case PATHINFO_FILENAME:
				case 'filename':
					return $ret['filename'];
				default:
					return $ret;
			}
		}

		/**
		 * Set or reset instance properties.
		 *
		 * Usage Example:
		 * $page->set('X-Priority', '3');
		 *
		 * @access public
		 *
		 * @param string $name
		 * @param mixed  $value
		 * NOTE: will not work with arrays, there are no arrays to set/reset
		 *
		 * @throws phpmailerException
		 * @return boolean
		 * @TODO   Should this not be using __set() magic function?
		 */
		public function set($name, $value = '') {
			try {
				if (isset($this->$name)) {
					$this->$name = $value;
				} else {
					throw new phpmailerException($this->lang('variable_set') . $name, self::STOP_CRITICAL);
				}
			} catch (Exception $exc) {
				$this->setError($exc->getMessage());
				if ($exc->getCode() == self::STOP_CRITICAL) {
					return false;
				}
			}

			return true;
		}

		/**
		 * Strip newlines to prevent header injection.
		 * @access public
		 *
		 * @param string $str
		 *
		 * @return string
		 */
		public function secureHeader($str) {
			return trim(str_replace(array("\r", "\n"), '', $str));
		}

		/**
		 * Normalize line breaks in a string.
		 * Converts UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format.
		 * Defaults to CRLF (for message bodies) and preserves consecutive breaks.
		 *
		 * @param string $text
		 * @param string $breaktype What kind of line break to use, defaults to CRLF
		 *
		 * @return string
		 * @access public
		 * @static
		 */
		public static function normalizeBreaks($text, $breaktype = "\r\n") {
			return preg_replace('/(\r\n|\r|\n)/ms', $breaktype, $text);
		}


		/**
		 * Set the public and private key files and password for S/MIME signing.
		 * @access public
		 *
		 * @param string $cert_filename
		 * @param string $key_filename
		 * @param string $key_pass Password for private key
		 */
		public function sign($cert_filename, $key_filename, $key_pass) {
			$this->sign_cert_file = $cert_filename;
			$this->sign_key_file  = $key_filename;
			$this->sign_key_pass  = $key_pass;
		}

		/**
		 * Quoted-Printable-encode a DKIM header.
		 * @access public
		 *
		 * @param string $txt
		 *
		 * @return string
		 */
		public function DKIM_QP($txt) {
			$line = '';
			for ($i = 0; $i < strlen($txt); $i++) {
				$ord = ord($txt[$i]);
				if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E))) {
					$line .= $txt[$i];
				} else {
					$line .= '=' . sprintf('%02X', $ord);
				}
			}

			return $line;
		}

		/**
		 * Generate a DKIM signature.
		 * @access public
		 *
		 * @param string $signHeader
		 *
		 * @throws phpmailerException
		 * @return string
		 */
		public function DKIM_Sign($signHeader) {
			if (!defined('PKCS7_TEXT')) {
				if ($this->exceptions) {
					throw new phpmailerException($this->lang('signing') . ' OpenSSL extension missing.');
				}

				return '';
			}
			$privKeyStr = file_get_contents($this->DKIM_private);
			if ($this->DKIM_passphrase != '') {
				$privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
			} else {
				$privKey = $privKeyStr;
			}
			if (openssl_sign($signHeader, $signature, $privKey)) {
				return base64_encode($signature);
			}

			return '';
		}

		/**
		 * Generate a DKIM canonicalization header.
		 * @access public
		 *
		 * @param string $signHeader Header
		 *
		 * @return string
		 */
		public function DKIM_HeaderC($signHeader) {
			$signHeader = preg_replace('/\r\n\s+/', ' ', $signHeader);
			$lines      = explode("\r\n", $signHeader);
			foreach ($lines as $key => $line) {
				list($heading, $value) = explode(':', $line, 2);
				$heading     = strtolower($heading);
				$value       = preg_replace('/\s+/', ' ', $value); // Compress useless spaces
				$lines[$key] = $heading . ':' . trim($value); // Don't forget to remove WSP around the value
			}
			$signHeader = implode("\r\n", $lines);

			return $signHeader;
		}

		/**
		 * Generate a DKIM canonicalization body.
		 * @access public
		 *
		 * @param string $body Message Body
		 *
		 * @return string
		 */
		public function DKIM_BodyC($body) {
			if ($body == '') {
				return "\r\n";
			}
			// stabilize line endings
			$body = str_replace("\r\n", "\n", $body);
			$body = str_replace("\n", "\r\n", $body);
			// END stabilize line endings
			while (substr($body, strlen($body) - 4, 4) == "\r\n\r\n") {
				$body = substr($body, 0, strlen($body) - 2);
			}

			return $body;
		}

		/**
		 * Create the DKIM header and body in a new message header.
		 * @access public
		 *
		 * @param string $headers_line Header lines
		 * @param string $subject      Subject
		 * @param string $body         Body
		 *
		 * @return string
		 */
		public function DKIM_Add($headers_line, $subject, $body) {
			$DKIMsignatureType    = 'rsa-sha1'; // Signature & hash algorithms
			$DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
			$DKIMquery            = 'dns/txt'; // Query method
			$DKIMtime             = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
			$subject_header       = "Subject: $subject";
			$headers              = explode($this->LE, $headers_line);
			$from_header          = '';
			$to_header            = '';
			$current              = '';
			foreach ($headers as $header) {
				if (strpos($header, 'From:') === 0) {
					$from_header = $header;
					$current     = 'from_header';
				} elseif (strpos($header, 'To:') === 0) {
					$to_header = $header;
					$current   = 'to_header';
				} else {
					if ($current && strpos($header, ' =?') === 0) {
						$current .= $header;
					} else {
						$current = '';
					}
				}
			}
			$from     = str_replace('|', '=7C', $this->DKIM_QP($from_header));
			$to       = str_replace('|', '=7C', $this->DKIM_QP($to_header));
			$subject  = str_replace(
				'|',
				'=7C',
				$this->DKIM_QP($subject_header)
			); // Copied header fields (dkim-quoted-printable)
			$body     = $this->DKIM_BodyC($body);
			$DKIMlen  = strlen($body); // Length of body
			$DKIMb64  = base64_encode(pack('H*', sha1($body))); // Base64 of packed binary SHA-1 hash of body
			$ident    = ($this->DKIM_identity == '') ? '' : ' i=' . $this->DKIM_identity . ';';
			$dkimhdrs = 'DKIM-Signature: v=1; a=' .
				$DKIMsignatureType . '; q=' .
				$DKIMquery . '; l=' .
				$DKIMlen . '; s=' .
				$this->DKIM_selector .
				";\r\n" .
				"\tt=" . $DKIMtime . '; c=' . $DKIMcanonicalization . ";\r\n" .
				"\th=From:To:Subject;\r\n" .
				"\td=" . $this->DKIM_domain . ';' . $ident . "\r\n" .
				"\tz=$from\r\n" .
				"\t|$to\r\n" .
				"\t|$subject;\r\n" .
				"\tbh=" . $DKIMb64 . ";\r\n" .
				"\tb=";
			$toSign   = $this->DKIM_HeaderC(
				$from_header . "\r\n" . $to_header . "\r\n" . $subject_header . "\r\n" . $dkimhdrs
			);
			$signed   = $this->DKIM_Sign($toSign);

			return $dkimhdrs . $signed . "\r\n";
		}

		/**
		 * Allows for public read access to 'to' property.
		 * @access public
		 * @return array
		 */
		public function getToAddresses() {
			return $this->to;
		}

		/**
		 * Allows for public read access to 'cc' property.
		 * @access public
		 * @return array
		 */
		public function getCcAddresses() {
			return $this->cc;
		}

		/**
		 * Allows for public read access to 'bcc' property.
		 * @access public
		 * @return array
		 */
		public function getBccAddresses() {
			return $this->bcc;
		}

		/**
		 * Allows for public read access to 'ReplyTo' property.
		 * @access public
		 * @return array
		 */
		public function getReplyToAddresses() {
			return $this->ReplyTo;
		}

		/**
		 * Allows for public read access to 'all_recipients' property.
		 * @access public
		 * @return array
		 */
		public function getAllRecipientAddresses() {
			return $this->all_recipients;
		}

		/**
		 * Perform a callback.
		 *
		 * @param boolean $isSent
		 * @param array   $to
		 * @param array   $cc
		 * @param array   $bcc
		 * @param string  $subject
		 * @param string  $body
		 * @param string  $from
		 */
		protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from) {
			if (!empty($this->action_function) && is_callable($this->action_function)) {
				$params = array($isSent, $to, $cc, $bcc, $subject, $body, $from);
				call_user_func_array($this->action_function, $params);
			}
		}
	}

	/**
	 * PHPMailer exception handler
	 * @package PHPMailer
	 */
	class phpmailerException extends Exception {
		/**
		 * Prettify error message output
		 * @return string
		 */
		public function errorMessage() {
			$errorMsg = '<strong>' . $this->getMessage() . "</strong><br />\n";

			return $errorMsg;
		}
	}
